Toilet seat insert for a young child



FIG. 1 is a perspective view taken from the top, front and left side of a toilet seat insert for a young child showing my new design;

FIG. 2 is a perspective view taken from the bottom, rear and right side thereof; and,

FIG. 3 is a cross sectional view taken on line 3-3 of FIG. 1. 

The ornamental design for a toilet seat insert for a young child, as shown and described. 